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mobile/app/Go.java
David Crawshaw 1e86c633f3 go.mobile/app: initialize java language binding
LGTM=adonovan
R=adonovan
CC=golang-codereviews
https://golang.org/cl/114300043
2014-07-31 08:27:33 -04:00

48 lines
1.1 KiB
Java

package go;
import android.content.Context;
import android.os.Looper;
import android.util.Log;
// Go is an entry point for libraries compiled in Go.
// In an app's Application.onCreate, call:
//
// Go.init(getApplicationContext());
//
// When the function returns, it is safe to start calling
// Go code.
public final class Go {
// init loads libgojni.so and starts the runtime.
public static void init(Context context) {
if (Looper.myLooper() != Looper.getMainLooper()) {
Log.wtf("Go", "Go.init must be called from main thread (looper="+Looper.myLooper().toString()+")");
}
if (running) {
return;
}
running = true;
// TODO(crawshaw): setenv TMPDIR to context.getCacheDir().getAbsolutePath()
// TODO(crawshaw): context.registerComponentCallbacks for runtime.GC
System.loadLibrary("gojni");
new Thread("GoMain") {
public void run() {
Go.run();
}
}.start();
Go.waitForRun();
new Thread("GoReceive") {
public void run() { Seq.receive(); }
}.start();
}
private static boolean running = false;
private static native void run();
private static native void waitForRun();
}